Tools & Wizards About Us

Report Summary

  • 83

    Performance

    Renders faster than
    87% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

sibley.com

Custom Designed Disk or Pancake Type Slip Rings - Sibley Company

Page Load Speed

2.5 sec in total

First Response

122 ms

Resources Loaded

1.7 sec

Page Rendered

664 ms

About Website

Visit sibley.com now to see the best up-to-date Sibley content and also check out these interesting facts you probably never knew about sibley.com

Sibley Company is your one stop shop for all slip rings. From complex electrical slip rings to through bore slip rings. If you need a custom slip ring, self contained slip ring, large slip ring or eve...

Visit sibley.com

Key Findings

We analyzed Sibley.com page load time and found that the first response time was 122 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

sibley.com performance score

83

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

40/100

25%

SI (Speed Index)

Value1.5 s

100/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.1 s

86/100

10%

Network Requests Diagram

sibley.com

122 ms

sibley.com

189 ms

apbct-public-bundle.min.js

157 ms

checkbox.svg

45 ms

cta-bg.jpg

760 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that all of those requests were addressed to Sibley.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Sibley.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 81.3 kB (12%)

Content Size

700.9 kB

After Optimization

619.6 kB

  • HTML
  • Images

In fact, the total size of Sibley.com main page is 700.9 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Images take 590.9 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 81.3 kB

  • Original 110.1 kB
  • After minification 102.6 kB
  • After compression 28.7 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 81.3 kB or 74% of the original size.

Image Optimization

-0%

Potential reduce by 4 B

  • Original 590.9 kB
  • After minification 590.8 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Sibley images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

14

After Optimization

14

  • Images
  • JavaScript

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sibley. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

sibley.com accessibility score

89

Accessibility Issues

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Buttons do not have an accessible name

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

sibley.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

sibley.com SEO score

98

Search Engine Optimization Advices

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sibley.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Sibley.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph data is detected on the main page of Sibley. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: